Filtration device with swiveling spray tube

Details Filtration device with swiveling spray tube Filtration device with swiveling spray tube

1994-12-06

1995-12-05

Dawson, Robert A.

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

210414, 210420, 210448, 210452, 137549, 141387, B01D 2968

Patent

active

054726042

ABSTRACT:
A filtration device comprises a housing, a filtering apparatus, a first guide tube, a second guide tube, an impurities discharging tube and a valve. The filtering apparatus is provided therein with a swiveling spray tube pivoted thereto. The swiveling spray tube is provided in the wall thereof with bevel through holes. The housing is provided therein with a high pressure guide tube which has an inner end aligned with an axial hole of the swiveling spray tube and further has an outer end that is connected with a source of a high pressure washing fluid so as to allow the high pressure washing fluid to be injected into the swiveling spray tube for washing away impurities deposited on the inner wall surface of the filtering apparatus.

REFERENCES:
patent: 4624785 (1986-11-01), Drori
patent: 4654141 (1987-03-01), Frentzel
patent: 4867879 (1989-09-01), Muller
patent: 5108592 (1992-04-01), Wilkins et al.

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